Here is the full list of all 21 Eekeemoo Splinters of the Dark Shard achievements worth 1,000 gamerscore.
Ice Zomblings...
Hey...who turned out the lights?
Well...he wasn't very nice at all!
That should stop Dark Shard from returning..
Cave Zomblings...
10 Eyes too many
Zombers
Well...that was colder than expected!
Defeated Harry, guess he thought we were a threat.
D Bot is free!
Hopefully somewhere a little colder next time!
Hammerfist is no longer under Dark Shard Control
Nim is out of that cage and free to do what she does best.
Lava Zomblings..
I'd like my Eeekeemoo well done.
Free at last!
Woodface has been released from Dark Shard's influence
Stop falling into the water!
Seems you like bouncing? Bounced 25 Times
Forest Zomblings....
Unlocked YumYum